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===Pathophysiology=== |
===Pathophysiology=== |
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There are common pathophysiological ways that a person may develop [[coccydynia]]. The two main causes for this condition are sudden impact due to fall, and coccydynia caused by childbirth pressure in [[women]]. Other ways that coccydynia develops are partial dislocation of the [[sacrococcygeal]] synchondrosis that can possibly result in abnormal movement of the coccyx from excessive sitting, and repetitive [[trauma]] of the surrounding ligaments and muscles, resulting in [[inflammation]] of tissues and pain. |
There are common pathophysiological ways that a person may develop [[coccydynia]]. The two main causes for this condition are sudden impact due to fall, and coccydynia caused by childbirth pressure in [[women]]<ref>Patel, Ravi, Anoop Appannagari, and Peter G. Whang. "Abstract." National Center for Biotechnology Information. U.S. National Library of Medicine, 07 May 2008. Web. 21 May 2013.</ref>. Other ways that coccydynia develops are partial dislocation of the [[sacrococcygeal]] synchondrosis that can possibly result in abnormal movement of the coccyx from excessive sitting, and repetitive [[trauma]] of the surrounding ligaments and muscles, resulting in [[inflammation]] of tissues and pain. |
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2682410/ |
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http://en.wikipedia.org/wiki/File:Gray100.png |
Revision as of 23:03, 21 May 2013
Anatomy
Structure
Coccydynia occurs in the lowest part of the spine, the coccyx, which represents a vestigial tail, or in other words the “tail bone”. The name coccyx is derived from the Greek word for cuckoo due to it’s beak like appearance The coccyx itself is made up of 3 to 5 fused vertebrae. The ventral side of the coccyx is slightly concave where as the dorsal aspect is slightly convex. Both of these sides have transverse grooves that show where the vestigial coccygeal units had previously fused. The coccyx attaches the sacrum, from the dorsal grooves with the attachment being either a symphysis or as a true synovial joint, and also to the gluteus maximus muscle, the coccygeal muscle, and the anococcygeal ligament.
Orientations of the coccyx
There are four different orientations for the coccyx, as described by Postacchini and Massobrio. In type I the coccyx is curved anteriorly with its apex facing downward and caudally. In type II this forward curvature is more dramatic and the apex extends forward. Type III is where the coccyx angles forward sharply. Lastly, type IV is characterized by the coccyx being subluxated at the sacrococcygeal joint.
Pathophysiology
There are common pathophysiological ways that a person may develop coccydynia. The two main causes for this condition are sudden impact due to fall, and coccydynia caused by childbirth pressure in women[1]. Other ways that coccydynia develops are partial dislocation of the sacrococcygeal synchondrosis that can possibly result in abnormal movement of the coccyx from excessive sitting, and repetitive trauma of the surrounding ligaments and muscles, resulting in inflammation of tissues and pain.
- ^ Patel, Ravi, Anoop Appannagari, and Peter G. Whang. "Abstract." National Center for Biotechnology Information. U.S. National Library of Medicine, 07 May 2008. Web. 21 May 2013.